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2026-03-26 - 12:38
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Thu Mar 26, 2026 00:44:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32421212365,7sleep20-21swapper/219:05:262
272642123112,6sleep10-21swapper/119:05:011
325362115105,7sleep00-21swapper/019:06:560
32659210898,7sleep30-21swapper/319:08:323
9222660,0sleep20-21swapper/222:25:172
322182590,0sleep00-21swapper/021:55:190
71162570,0sleep10-21swapper/119:15:011
301252570,1sleep330127-21kthreadcore21:25:193
82812560,0sleep20-21swapper/200:00:172
49699280,27cyclictest0-21swapper/220:30:142
48799270,26cyclictest0-21swapper/123:36:451
49699260,25cyclictest0-21swapper/223:52:122
49699260,25cyclictest0-21swapper/223:52:122
49699260,25cyclictest0-21swapper/221:51:052
49699260,25cyclictest0-21swapper/220:10:292
48799260,25cyclictest0-21swapper/122:26:391
48799260,25cyclictest0-21swapper/122:20:551
496992523,2cyclictest0-21swapper/220:42:442
49699250,18cyclictest0-21swapper/223:12:212
487992522,2cyclictest0-21swapper/119:34:221
48799250,24cyclictest0-21swapper/123:56:301
48799250,24cyclictest0-21swapper/122:44:391
48799250,24cyclictest0-21swapper/121:04:221
496992421,3cyclictest0-21swapper/200:30:282
48799240,23cyclictest0-21swapper/123:42:341
48799240,23cyclictest0-21swapper/123:21:451
48799240,23cyclictest0-21swapper/123:11:151
48799240,23cyclictest0-21swapper/121:40:111
48799240,19cyclictest0-21swapper/120:49:021
48399241,20cyclictest11513-21turbostat20:15:010
49699231,3cyclictest0-21swapper/219:19:012
48799230,22cyclictest0-21swapper/122:30:511
48799230,22cyclictest0-21swapper/120:51:291
483992319,2cyclictest752-21lldpd21:06:130
49699221,3cyclictest0-21swapper/223:42:552
49699221,3cyclictest0-21swapper/219:14:132
49699220,3cyclictest0-21swapper/223:22:482
49699220,21cyclictest0-21swapper/223:57:092
49699220,21cyclictest0-21swapper/222:54:262
49699220,21cyclictest0-21swapper/220:07:472
48799220,21cyclictest0-21swapper/122:15:061
48799220,21cyclictest0-21swapper/121:56:571
48799220,21cyclictest0-21swapper/121:53:031
48799220,21cyclictest0-21swapper/121:37:021
48799220,21cyclictest0-21swapper/121:33:111
48799220,21cyclictest0-21swapper/121:12:471
48799220,21cyclictest0-21swapper/120:21:201
48799220,21cyclictest0-21swapper/120:21:191
48799220,21cyclictest0-21swapper/120:00:351
48799220,21cyclictest0-21swapper/119:56:231
48799220,21cyclictest0-21swapper/119:40:421
48799220,21cyclictest0-21swapper/100:10:341
48799220,21cyclictest0-21swapper/100:04:221
48399220,21cyclictest0-21swapper/021:47:170
496992119,1cyclictest749-21snmpd20:23:142
496992119,1cyclictest749-21snmpd20:23:142
496992118,2cyclictest749-21snmpd23:28:002
496992118,2cyclictest749-21snmpd21:15:492
496992117,3cyclictest0-21swapper/200:12:542
496992116,4cyclictest0-21swapper/220:46:332
49699210,3cyclictest0-21swapper/222:03:122
49699210,3cyclictest0-21swapper/200:26:262
49699210,20cyclictest0-21swapper/222:06:132
49699210,20cyclictest0-21swapper/221:58:092
49699210,20cyclictest0-21swapper/219:31:222
49699210,19cyclictest16960-21ntp_states22:10:212
48799215,15cyclictest0-21swapper/122:00:191
487992118,3cyclictest0-21swapper/123:19:451
487992118,3cyclictest0-21swapper/122:50:481
487992117,3cyclictest0-21swapper/120:31:141
48799210,3cyclictest0-21swapper/119:50:331
48799210,20cyclictest0-21swapper/123:53:401
48799210,20cyclictest0-21swapper/123:53:391
48799210,20cyclictest0-21swapper/123:47:451
48799210,20cyclictest0-21swapper/123:30:451
48799210,20cyclictest0-21swapper/123:06:061
48799210,20cyclictest0-21swapper/121:25:081
48799210,20cyclictest0-21swapper/121:07:591
48799210,20cyclictest0-21swapper/120:36:191
48799210,20cyclictest0-21swapper/120:15:141
48799210,20cyclictest0-21swapper/120:15:141
48799210,20cyclictest0-21swapper/120:11:351
48799210,20cyclictest0-21swapper/100:25:321
48399210,20cyclictest0-21swapper/022:44:060
496992018,2cyclictest0-21swapper/220:27:472
496992018,1cyclictest749-21snmpd23:19:492
496992018,1cyclictest749-21snmpd22:43:182
496992018,1cyclictest749-21snmpd21:38:052
496992018,1cyclictest749-21snmpd21:24:532
496992018,1cyclictest749-21snmpd20:37:262
496992018,1cyclictest749-21snmpd20:15:412
496992018,1cyclictest749-21snmpd20:15:402
496992018,1cyclictest749-21snmpd20:04:262
496992018,1cyclictest749-21snmpd19:52:352
496992018,1cyclictest749-21snmpd19:41:362
496992018,1cyclictest749-21snmpd00:15:042
496992017,3cyclictest0-21swapper/219:39:072
496992017,2cyclictest749-21snmpd23:01:372
496992017,2cyclictest749-21snmpd19:56:312
496992017,2cyclictest0-21swapper/223:34:512
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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